/* ==========================================================================
   Planit X — "The Blower Door"
   --------------------------------------------------------------------------
   base.css owns reset, wrap, sections, header/nav mechanics, buttons, forms,
   footer skeleton, reveals, preloader shell and the hero headline contract.
   This file supplies the palette, the house section, the gauge and the rest.
   ========================================================================== */

:root{
  /* --- palette, from the brief and their own site CSS --- */
  --indigo:   #4444dd;
  --indigo-d: #3333c4;
  --pale:     #c2ddff;
  --signal:   #ff5a3c;
  --paper:    #f5f6f8;
  --paper-2:  #eef1f6;
  --wash:     #e7effb;
  --ink:      #0e1018;
  --ink-2:    #151824;
  --ink-3:    #1b1f2e;
  --text:     #f0f2f7;
  --muted:    #9aa3b8;
  --ink-text: #0e1018;
  --ink-mute: #5b6479;
  --line:     rgba(14,16,24,.13);
  --line-d:   rgba(14,16,24,.07);
  --line-l:   rgba(255,255,255,.14);

  /* --- base.css contract --- */
  --accent:     var(--indigo);
  --accent-lit: #8f8fff;
  --accent-2:   #8f8fff;
  --surface:    var(--paper);
  --surface-2:  var(--paper-2);

  /* --- type --- */
  --font-display: "Faustina", Georgia, "Times New Roman", serif;
  --font-body:    "Encode Sans", system-ui, -apple-system, sans-serif;
  --font-mono:    "Encode Sans", system-ui, -apple-system, sans-serif;
  --font-gauge:   "VT323", ui-monospace, "SFMono-Regular", monospace;

  --wrap-max: 1240px;
  --pad:      clamp(1.15rem, 4vw, 2.5rem);
  --radius:   2px;
  --ease:     cubic-bezier(.22,.61,.36,1);
}

html{ scroll-padding-top:92px; }
body{
  background:var(--paper);
  color:var(--ink-text);
  font-size:16.5px;
  line-height:1.66;
}
::selection{ background:var(--indigo); color:#fff; }
:focus-visible{ outline:2px solid var(--indigo); outline-offset:3px; }

.skip{
  position:absolute; left:.5rem; top:.5rem; z-index:10000;
  width:1px; height:1px; overflow:hidden; clip-path:inset(50%);
  padding:.75rem 1.1rem; background:var(--ink); color:#fff;
  font-family:var(--font-mono); font-size:.7rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase;
}
.skip:focus{ width:auto; height:auto; clip-path:none; }

/* ==========================================================================
   PRELOADER — the fan turns while the page arrives
   ========================================================================== */
.pre{ background:var(--paper); color:var(--indigo); }
.pre__mark{ width:124px; color:var(--indigo); }
.pre__mark svg{ width:124px; height:auto; display:block; }
.pre__blades{ transform-origin:60px 60px; animation:preSpin 3.6s linear infinite; }
@keyframes preSpin{ to{ transform:rotate(360deg); } }
.pre__meta{ color:var(--ink-mute); }
.pre__pct{ color:var(--indigo); }
.pre__bar{ background:rgba(14,16,24,.12); height:1px; width:min(240px,58vw); }
.pre__bar i{ background:var(--indigo); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.hdr{
  background:color-mix(in srgb, var(--paper) 94%, transparent);
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.hdr__in{ min-height:78px; gap:.9rem; }

.brand{ display:inline-flex; align-items:center; gap:.42rem; flex:none; }
.brand__word{
  font-family:var(--font-body); font-weight:600;
  font-size:.94rem; letter-spacing:.28em; text-transform:uppercase;
  color:var(--ink);
}
.brand__x{
  width:27px; height:27px; flex:none;
  fill:var(--pale); stroke:rgba(14,16,24,.3); stroke-width:1;
}

.nav{ margin-left:auto; }
.nav__link{
  font-size:.78rem; font-weight:500; letter-spacing:0;
  color:var(--ink); padding:.5rem .5rem;
}
.nav__link:hover{ color:var(--indigo); background:rgba(68,68,221,.06); }

.hdr__tel{
  font-family:var(--font-mono); font-size:.72rem; font-weight:600;
  letter-spacing:.05em; color:var(--ink-mute);
  white-space:nowrap; padding-left:1rem; border-left:1px solid var(--line);
}
.hdr__tel:hover{ color:var(--indigo); }
.hdr__cta{ margin-left:.1rem; }

@media (min-width:1024px){ .nav__foot{ display:none; } }
@media (max-width:1240px){ .hdr__tel{ display:none; } }

/* ==========================================================================
   BUTTONS / LINKS
   ========================================================================== */
.btn{
  border-radius:2px; font-size:.86rem; font-weight:600;
  padding:.82rem 1.3rem; letter-spacing:.002em;
}
.btn--sm{ padding:.58rem 1rem; font-size:.78rem; }
.btn--solid{ background:var(--indigo); color:#fff; }
.btn--solid:hover{ background:var(--indigo-d); transform:translateY(-2px); filter:none; }
.btn--ghost{ border:1px solid var(--line); color:var(--ink); }
.btn--ghost:hover{ border-color:var(--indigo); color:var(--indigo); background:rgba(68,68,221,.05); }
.btn--pale{ background:var(--pale); color:var(--ink); }
.btn--pale:hover{ background:#d6e9ff; transform:translateY(-2px); }
.btn--ghost-light{ border:1px solid var(--line-l); color:var(--text); }
.btn--ghost-light:hover{ border-color:var(--pale); color:var(--pale); }

.txlink{
  display:inline-block; font-size:.82rem; font-weight:600; color:var(--indigo);
  border-bottom:1px solid rgba(68,68,221,.32); padding-bottom:.12rem;
  transition:color .2s, border-color .2s;
}
.txlink:hover{ color:var(--indigo-d); border-color:var(--indigo-d); }

.tag{
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.13em; text-transform:uppercase; color:var(--ink-mute);
  border:1px solid var(--line); border-radius:999px; padding:.34rem .7rem;
}

.gauge-type{ font-family:var(--font-gauge); letter-spacing:0; }

/* ==========================================================================
   SECTION HEADS — a label rail, then the heading
   ========================================================================== */
.rail{
  font-family:var(--font-mono); font-size:.66rem; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--ink-mute);
}
.rail b{ color:var(--indigo); margin-right:.7em; font-variant-numeric:tabular-nums; }
.rail--on-dark{ color:rgba(240,242,247,.48); }
.rail--on-dark b{ color:var(--pale); }

.rhead{
  display:grid;
  grid-template-columns:minmax(0,190px) minmax(0,1fr);
  gap:clamp(1.2rem,3.4vw,3.2rem);
  border-top:1px solid var(--line);
  padding-top:1.05rem;
  margin-bottom:clamp(2rem,4vw,3.2rem);
}
.rhead__lead{
  margin-top:1rem; font-size:.98rem; line-height:1.7;
  color:var(--ink-mute); max-width:56ch;
}
.rhead--on-dark{ border-top-color:var(--line-l); }
.rhead--stack{ grid-template-columns:minmax(0,1fr); gap:.75rem; }

.sect__h2{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.72rem,3.8vw,2.85rem);
  line-height:1.05; letter-spacing:-.016em; max-width:23ch;
  text-wrap:balance;
}

/* ==========================================================================
   HERO — the house in section
   ========================================================================== */
.hero{
  background:var(--paper);
  padding-top:clamp(1.4rem,3.4vw,2.6rem);
  padding-bottom:clamp(2rem,4.6vw,3.4rem);
}
.hero__in{
  display:grid;
  grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:clamp(1.6rem,4.5vw,4rem);
  align-items:center;
  min-height:clamp(500px, calc(100svh - 150px), 780px);
}
.hero__copy{ min-width:0; }

.hero__eyebrow{
  display:flex; align-items:center; gap:.55rem;
  font-family:var(--font-mono); font-size:.64rem; font-weight:600;
  letter-spacing:.17em; text-transform:uppercase; color:var(--ink-mute);
}
.hero__eyebrow i{
  width:6px; height:6px; border-radius:50%;
  background:var(--indigo); flex:none;
}

.hero__h1{
  font-family:var(--font-display); font-weight:600;
  line-height:.94; letter-spacing:-.022em; color:var(--ink);
  margin-top:1.1rem;
  font-size:var(--h1-size, clamp(2.1rem, 5.6vw, 4.4rem));
}
@media (min-width:1024px){
  .hero__h1{ font-size:var(--h1-size, clamp(2.6rem, 5vw, 4.8rem)); }
}

.hero__lead{
  margin-top:1.3rem; font-size:1.02rem; line-height:1.68;
  color:var(--ink-mute); max-width:45ch;
}
.hero__acts{ display:flex; flex-wrap:wrap; gap:.65rem; margin-top:1.7rem; }
.hero__facts{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:.9rem 1.4rem;
  margin-top:2.4rem; padding-top:1.1rem; border-top:1px solid var(--line);
}
.hero__facts li{ min-width:0; }
.hero__facts b{
  display:block; font-size:1rem; font-weight:600; color:var(--ink);
  letter-spacing:-.005em;
}
.hero__facts b.gauge-type{ font-size:1.6rem; line-height:1; color:var(--indigo); }
.hero__facts span{
  display:block; margin-top:.22rem;
  font-family:var(--font-mono); font-size:.54rem; font-weight:500;
  letter-spacing:.07em; line-height:1.55; text-transform:uppercase; color:var(--ink-mute);
}

/* the drawing sheet */
.plate{
  margin:0; min-width:0;
  background:#fff; border:1px solid var(--line);
  padding:clamp(.65rem,1.3vw,1rem) clamp(.65rem,1.3vw,1rem) .75rem;
  box-shadow:0 30px 70px -56px rgba(14,16,24,.85);
}
.plate__svg{ display:block; width:100%; height:auto; }
.plate__bar{
  display:flex; justify-content:space-between; gap:1rem;
  border-top:1px solid var(--line); margin-top:.7rem; padding-top:.5rem;
  font-family:var(--font-mono); font-size:.56rem; font-weight:600;
  letter-spacing:.13em; text-transform:uppercase; color:var(--ink-mute);
}
.plate__cap{
  margin-top:.45rem; font-family:var(--font-mono);
  font-size:.64rem; letter-spacing:.01em; color:var(--ink-mute);
}

/* hero drawing */
.hx-lab text{
  font-family:var(--font-mono); font-size:9px; font-weight:500;
  letter-spacing:.06em; fill:var(--ink-mute);
}
.hx-read{ font-family:var(--font-gauge); font-size:27px; fill:var(--ink); }
.hx-leak{ opacity:0; animation:leak 1s var(--ease) both; }
.hx-leak--a{ --dx:-7px; --dy:0; animation-delay:.5s; }
.hx-leak--b{ --dx:0; --dy:-7px; animation-delay:.8s; }
.hx-leak--c{ --dx:6px; --dy:-6px; animation-delay:1.1s; }
@keyframes leak{
  from{ opacity:0; transform:translate(0,0); }
  to{ opacity:1; transform:translate(var(--dx),var(--dy)); }
}

/* ==========================================================================
   01 — THE TEST
   ========================================================================== */
.test{ background:var(--paper); }

.steps{ border-bottom:1px solid var(--line); }
.step{
  display:grid;
  grid-template-columns:minmax(0,190px) minmax(0,1fr);
  gap:clamp(1.2rem,3.4vw,3.2rem);
  padding:1.55rem 0;
  border-top:1px solid var(--line);
}
.step__k{
  font-family:var(--font-mono); font-size:.7rem; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase; color:var(--indigo);
}
.step__k b{
  display:block; margin-bottom:.45rem;
  font-size:.6rem; letter-spacing:.22em; color:var(--ink-mute);
}
.step__meta{
  display:block; margin-top:.9rem;
  font-size:.6rem; font-weight:400; letter-spacing:.1em; line-height:1.9;
  text-transform:uppercase; color:var(--ink-mute);
}
.step__t{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.15rem,2vw,1.5rem); line-height:1.2; letter-spacing:-.01em;
}
.step__p{
  margin-top:.5rem; font-size:.95rem; line-height:1.7;
  color:var(--ink-mute); max-width:64ch;
}

/* ==========================================================================
   02 — THE GAUGE
   ========================================================================== */
.gau{ background:var(--ink); color:var(--text); }
.gau .sect__h2{ color:#fff; max-width:19ch; }
.gau__grid{
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
}
.gau__dial{ width:100%; max-width:470px; justify-self:center; min-width:0; }
.gau__svg{ display:block; width:100%; height:auto; }

.gau__needle{
  transform-box:view-box; transform-origin:260px 270px;
}
.gau__dial.is-armed .gau__needle{ transform:rotate(-120deg); }
.gau__dial.is-live .gau__needle{
  transform:rotate(0deg);
  transition:transform 1.5s cubic-bezier(.3,.7,.25,1) .15s;
}

.gau__num text{
  font-family:var(--font-gauge); font-size:26px; fill:var(--pale); opacity:.82;
}
.gau__read{ font-family:var(--font-gauge); font-size:40px; fill:var(--pale); }
.gau__eng{
  font-family:var(--font-mono); font-size:8.5px; font-weight:500;
  letter-spacing:.16em; fill:rgba(194,221,255,.42);
}

.gau__copy{ min-width:0; }
.gau__copy p{
  font-size:.98rem; line-height:1.72; color:rgba(240,242,247,.62);
  max-width:52ch;
}
.gau__copy .gau__lead{
  margin-top:1.1rem; font-size:1.06rem; line-height:1.62; color:#fff;
}
.gau__copy p + p{ margin-top:.9rem; }
.gau__copy em{ font-style:italic; color:var(--pale); }

.spec{ margin-top:1.9rem; border-top:1px solid var(--line-l); }
.spec > div{
  display:flex; align-items:baseline; justify-content:space-between; gap:1rem;
  padding:.7rem 0; border-bottom:1px solid rgba(255,255,255,.08);
}
.spec dt{
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.16em; text-transform:uppercase; color:rgba(240,242,247,.45);
}
.spec dd{ font-size:.86rem; color:var(--pale); text-align:right; }
.spec dd.gauge-type{ font-size:1.55rem; line-height:1; color:#fff; }
.gau__note{
  margin-top:1rem !important;
  font-family:var(--font-mono); font-size:.6rem; letter-spacing:.02em;
  line-height:1.75; color:rgba(240,242,247,.38); max-width:48ch;
}

/* ==========================================================================
   03 — SOUND
   ========================================================================== */
.snd{ background:var(--wash); }
.snd__grid{
  display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(1.6rem,4vw,3.4rem); align-items:start;
}
.snd__fig{ margin:0; min-width:0; }
.snd__fig svg{
  display:block; width:100%; height:auto;
  background:#fff; border:1px solid var(--line);
  padding:clamp(.6rem,1.4vw,1rem);
}
.snd__cap{
  margin-top:.65rem; font-family:var(--font-mono);
  font-size:.6rem; line-height:1.75; color:var(--ink-mute); max-width:52ch;
}
.snd__def{ border-top:1px solid var(--line); padding:1.15rem 0 1.35rem; }
.snd__def::after{ content:""; display:block; clear:both; }
.snd__k{
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--indigo);
}
.snd__t{
  margin-top:.4rem; font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.15rem,2vw,1.4rem); line-height:1.2;
}
.snd__p{
  margin-top:.45rem; font-size:.94rem; line-height:1.7;
  color:var(--ink-mute); max-width:48ch;
}
.snd__glyph{ float:right; width:112px; margin:.1rem 0 .5rem 1.1rem; }
.snd__glyph svg{ width:100%; height:auto; display:block; }

.snd__strip{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  gap:1rem; margin-top:clamp(1.6rem,3vw,2.4rem); padding-top:1.2rem;
  border-top:1px solid var(--line);
}
.snd__tags{ display:flex; flex-wrap:wrap; gap:.45rem; }

/* ==========================================================================
   04 — CERTIFICATION
   ========================================================================== */
.acc__grid{
  display:grid; grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(1rem,2.4vw,1.6rem);
}
.acc__card{
  background:#fff; border:1px solid var(--line);
  padding:clamp(1.2rem,2.6vw,2rem);
  display:flex; flex-direction:column; min-width:0;
}
.acc__logo{ width:min(200px,62%); height:auto; margin-bottom:1.5rem; }
.acc__k{
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--indigo);
}
.acc__t{
  margin-top:.45rem; font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.12rem,1.9vw,1.35rem); line-height:1.25; letter-spacing:-.01em;
}
.acc__p{
  margin-top:.6rem; font-size:.92rem; line-height:1.7;
  color:var(--ink-mute);
}
.acc__tag{
  margin-top:auto; padding-top:1rem; border-top:1px solid var(--line);
  font-family:var(--font-mono); font-size:.58rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-mute);
}
.acc__card .acc__p{ margin-bottom:1.3rem; }

.acc__claim{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:.4rem 1.1rem;
  margin-top:clamp(1.6rem,3vw,2.2rem); padding-top:1.2rem;
  border-top:1px solid var(--line);
}
.acc__claim p{
  font-family:var(--font-display); font-style:italic; font-weight:500;
  font-size:clamp(1.05rem,2vw,1.35rem); color:var(--ink);
}
.acc__claim span{ font-size:.78rem; color:var(--ink-mute); }

/* ==========================================================================
   05 — AREAS
   ========================================================================== */
.area__grid{
  display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:clamp(2rem,5vw,4rem); align-items:start;
}
.area__list{ min-width:0; }
.area__list li{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:1rem; padding:1.05rem 0; border-top:1px solid var(--line);
}
.area__list li:last-child{ border-bottom:1px solid var(--line); }
.area__name{
  font-family:var(--font-display); font-weight:500;
  font-size:clamp(1.35rem,2.8vw,2.05rem); line-height:1.12;
  letter-spacing:-.012em; min-width:0; overflow-wrap:anywhere;
}
.area__note{
  flex:none; text-align:right;
  font-family:var(--font-mono); font-size:.56rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase; color:var(--ink-mute);
}
.area__aside{
  border-left:1px solid var(--line);
  padding-left:clamp(1rem,2.4vw,1.8rem);
}
.area__h{
  margin-top:1.5rem;
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase; color:var(--indigo);
}
.area__h:first-child{ margin-top:0; }
.area__p{
  margin-top:.35rem; font-size:.9rem; line-height:1.7; color:var(--ink-mute);
}
.area__aside .txlink{ margin-top:1.3rem; }

/* ==========================================================================
   06 — EXPERIENCE
   ========================================================================== */
.exp__nums{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px; background:var(--line);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.exp__num{
  background:var(--paper);
  padding:clamp(1.4rem,3vw,2.2rem) 1rem clamp(1.2rem,2.6vw,1.8rem) 0;
  min-width:0;
}
.exp__num b{
  display:block; font-family:var(--font-display); font-weight:600;
  font-size:clamp(2.6rem,6.4vw,4.6rem); line-height:.9;
  letter-spacing:-.03em; color:var(--indigo);
}
.exp__num span{
  display:block; margin-top:.65rem;
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-mute);
}
.exp__body{ margin-top:clamp(1.6rem,3vw,2.2rem); max-width:62ch; }
.exp__body p{ font-size:1rem; line-height:1.72; color:var(--ink-text); }
.exp__body strong{ font-weight:600; }
.exp__note{
  margin-top:.9rem; font-family:var(--font-mono); font-size:.58rem;
  letter-spacing:.1em; text-transform:uppercase; color:var(--ink-mute);
}

/* ==========================================================================
   07 — COMPLIANCE
   ========================================================================== */
.faq__grid{
  display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:clamp(1.6rem,4vw,3.4rem); align-items:start;
}
.faq__q{
  margin-top:1.4rem; border-left:3px solid var(--indigo);
  padding-left:clamp(.9rem,2vw,1.4rem);
  font-family:var(--font-display); font-weight:500;
  font-size:clamp(1.6rem,3.6vw,2.6rem); line-height:1.08; letter-spacing:-.016em;
  text-wrap:balance;
}
.faq__p{ font-size:1rem; line-height:1.72; color:var(--ink-mute); max-width:52ch; }
.faq__chips{ display:flex; gap:.45rem; margin-top:1.3rem; }
.faq__grid .txlink{ margin-top:1.4rem; }

/* ==========================================================================
   08 — CONTACT
   ========================================================================== */
.con{ background:var(--ink); color:var(--text); }
.con .sect__h2{ color:#fff; max-width:19ch; }
.con__grid{
  display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:clamp(2rem,5vw,4rem); align-items:start;
}
.con__left{ min-width:0; }
.con__lead{
  font-size:1rem; line-height:1.72; color:rgba(240,242,247,.62); max-width:46ch;
}
.con__tel{
  display:inline-block; margin-top:1.4rem;
  font-family:var(--font-gauge); font-size:clamp(2.6rem,6vw,4rem);
  line-height:1; color:var(--pale); letter-spacing:.01em;
}
.con__tel:hover{ color:#fff; }
.con__addr{
  margin-top:.7rem; font-size:.9rem; line-height:1.7;
  color:rgba(240,242,247,.52);
}
.con__acts{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.8rem; }

.con__card{
  border:1px solid var(--line-l); padding:clamp(1.2rem,2.4vw,1.7rem);
  background:rgba(255,255,255,.02);
}
.con__cardh{
  font-family:var(--font-mono); font-size:.6rem; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--pale);
  padding-bottom:.7rem; border-bottom:1px solid rgba(255,255,255,.1);
}
.con__card dl > div{
  display:flex; justify-content:space-between; gap:1rem;
  padding:.62rem 0; border-bottom:1px solid rgba(255,255,255,.07);
}
.con__card dl > div:last-child{ border-bottom:0; }
.con__card dt{
  font-family:var(--font-mono); font-size:.58rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase;
  color:rgba(240,242,247,.5); padding-top:.16rem;
}
.con__card dd{
  font-size:.82rem; line-height:1.5; text-align:right;
  color:rgba(240,242,247,.88); max-width:25ch;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.foot{ background:var(--ink); border-top:1px solid var(--line-l); }
.foot__top{ border-bottom:1px solid var(--line-l); }
.brand--foot .brand__word{ color:var(--text); }
.brand--foot .brand__x{ fill:var(--pale); stroke:rgba(255,255,255,.22); }
.foot__blurb{
  margin-top:1.3rem; font-size:.85rem; line-height:1.65;
  color:rgba(240,242,247,.58); max-width:36ch;
}
.foot__tel{ margin-top:1rem; font-family:var(--font-gauge); font-size:1.7rem; }
.foot__tel a{ color:var(--pale); }
.foot__tel a:hover{ color:#fff; }
.foot__nav{ grid-template-columns:1fr .95fr 1.15fr; }
.foot__nav span{ display:block; font-size:.83rem; line-height:1.55; color:rgba(240,242,247,.7); }
.foot__fine{
  margin-top:1.2rem; max-width:82ch;
  font-family:var(--font-mono); font-size:.62rem; line-height:1.8;
  color:rgba(240,242,247,.4);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1023px){
  .hdr{ background:var(--paper); }
  .hdr__tel,.hdr__cta{ display:none; }
  .burger span{ background:var(--ink-text); }
  .burger{ border-color:var(--line); }

  .nav{ background:var(--paper); color:var(--ink-text); }
  .nav__headlabel{ color:var(--ink-mute); }
  .nav__close{ color:var(--ink-text); border-color:var(--line); }
  .nav__link{ color:var(--ink-text); font-size:1.05rem; font-weight:600; }
  .nav__item{ border-bottom:1px solid var(--line); }
  .nav__item.is-open > .nav__link{ color:var(--indigo); background:none; }
  .nav__foot{
    display:grid; gap:.4rem;
    border-top:1px solid var(--line); padding-top:1.2rem;
    color:var(--ink-mute);
  }
  .nav__foot a{ color:var(--ink-text); font-size:.9rem; }
  .nav__footcta{
    display:inline-block; margin-top:.5rem; padding:.72rem 1rem;
    background:var(--indigo); color:#fff;
    text-align:center; font-weight:600;
  }

  .hero__in{
    grid-template-columns:minmax(0,1fr);
    min-height:0; gap:2.2rem;
  }
  .hero{ padding-top:1.6rem; }
  .hero__facts{ margin-top:1.8rem; }
}

@media (max-width:900px){
  .rhead{ grid-template-columns:minmax(0,1fr); gap:.8rem; }
  .step{ grid-template-columns:minmax(0,1fr); gap:.75rem; }
  .gau__grid,.snd__grid,.acc__grid,.area__grid,
  .faq__grid,.con__grid{ grid-template-columns:minmax(0,1fr); }
  .gau__dial{ max-width:420px; }
  .area__aside{
    border-left:0; border-top:1px solid var(--line);
    padding-left:0; padding-top:1.3rem;
  }
  .faq__q{ margin-top:1rem; }
  .con__card{ max-width:520px; }
}

@media (max-width:700px){
  /* the drawing keeps its annotation type readable once the sheet is phone-width */
  .hx-lab text{ font-size:15px; }
  .hx-read{ font-size:34px; }
}

@media (max-width:640px){
  .step__meta{ display:none; }
  .exp__num{ padding-right:.4rem; }
  .exp__num span{ font-size:.54rem; letter-spacing:.1em; }
  .plate__bar{ font-size:.5rem; letter-spacing:.1em; }
  .snd__glyph{ width:92px; margin-left:.8rem; }
  .snd__strip{ align-items:flex-start; }
  .foot__nav{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}

@media (max-width:480px){
  .hero__eyebrow{ font-size:.57rem; letter-spacing:.11em; }
  .hero__facts{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .exp__nums{ grid-template-columns:minmax(0,1fr); }
  .exp__num{ padding:1.1rem 0; }
  .con__card dd{ max-width:22ch; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .hx-leak{ opacity:1; }
  .pre__blades{ animation:none; }
}